// var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/users', usersRouter);

// catch 404 and forward to error handler处理404错误
app.use(function(req, res, next) {
  // next(createError(404));
  next('404错误');
});

// error handler 逻辑错误处理中间件
app.use(function(err, req, res, next) {
  // // set locals, only providing error in development
  // res.locals.message = err.message;
  // res.locals.error = req.app.get('env') === 'development' ? err : {};

  // // render the error page
  // res.status(err.status || 500);
  // res.render('error');
  res.send({status:500,msg:err});
});

module.exports = app;
//组长创建远程仓库
// 组长使用git push 远程仓库地址  master命令将本地创建的小u课堂服务端的项目初始代码提交到远程仓库
// 组中的其他开发人员使用git clone 远程仓库 将组长创建的远程仓库中的小u课堂项目初始代码克隆到本地，然后在本地这个克隆后的项目代码基础之上再进行开发
